Host: Implement a Windows-only implementation of `GetDeviceNameFromVIDPID`

2 files changed, 34 insertions, 0 deletions

diff --git a/Source/Core/Common/CommonFuncs.cpp b/Source/Core/Common/CommonFuncs.cpp
index aff87a9258..f59939bf6b 100644
--- a/Source/Core/Common/CommonFuncs.cpp
+++ b/Source/Core/Common/CommonFuncs.cpp
@@ -10,6 +10,7 @@
 
 #ifdef _WIN32
 #include <windows.h>
+#include <SetupAPI.h>
 
 #define strerror_r(err, buf, len) strerror_s(buf, len, err)
 
@@ -91,5 +92,28 @@ std::optional<std::wstring> GetModuleName(void* hInstance)
   name.resize(size);
   return name;
 }
+
+std::wstring GetDeviceProperty(const HDEVINFO& device_info, const PSP_DEVINFO_DATA device_data,
+                               const DEVPROPKEY* requested_property)
+{
+  DWORD required_size = 0;
+  DEVPROPTYPE device_property_type;
+  BOOL result;
+
+  result = SetupDiGetDeviceProperty(device_info, device_data, requested_property,
+                                    &device_property_type, nullptr, 0, &required_size, 0);
+  if (!result && GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+    return std::wstring();
+
+  std::vector<TCHAR> unicode_buffer(required_size / sizeof(TCHAR));
+
+  result = SetupDiGetDeviceProperty(
+      device_info, device_data, requested_property, &device_property_type,
+      reinterpret_cast<PBYTE>(unicode_buffer.data()), required_size, nullptr, 0);
+  if (!result)
+    return std::wstring();
+
+  return std::wstring(unicode_buffer.data());
+}
 #endif
 }  // namespace Common
diff --git a/Source/Core/Common/CommonFuncs.h b/Source/Core/Common/CommonFuncs.h
index c774cc64aa..8e09d0747b 100644
--- a/Source/Core/Common/CommonFuncs.h
+++ b/Source/Core/Common/CommonFuncs.h
@@ -5,6 +5,12 @@
 
 #include <optional>
 #include <string>
+#ifdef _WIN32
+#include <SetupAPI.h>
+#include <cfgmgr32.h>
+#include <devpropdef.h>
+#endif
+
 #include "Common/CommonTypes.h"
 
 #ifndef _WIN32
@@ -58,5 +64,9 @@ std::string GetWin32ErrorString(unsigned long error_code);
 
 // Obtains a full path to the specified module.
 std::optional<std::wstring> GetModuleName(void* hInstance);
+
+// Obtains a device property and returns it as a wide string.
+std::wstring GetDeviceProperty(const HANDLE& device_info, const PSP_DEVINFO_DATA device_data,
+                               const DEVPROPKEY* requested_property);
 #endif
 }  // namespace Common